EP4170227A4 - Color-temperature variable led filament lamp - Google Patents
Color-temperature variable led filament lamp Download PDFInfo
- Publication number
- EP4170227A4 EP4170227A4 EP20944974.3A EP20944974A EP4170227A4 EP 4170227 A4 EP4170227 A4 EP 4170227A4 EP 20944974 A EP20944974 A EP 20944974A EP 4170227 A4 EP4170227 A4 EP 4170227A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- color
- led filament
- filament lamp
- temperature variable
- variable led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
- F21S10/023—Lighting devices or systems producing a varying lighting effect changing colors by selectively switching fixed light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/42—Antiparallel configurations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010669403.0A CN111878772A (en) | 2020-07-13 | 2020-07-13 | LED filament lamp with variable color temperature |
PCT/CN2020/131591 WO2022011927A1 (en) | 2020-07-13 | 2020-11-25 | Color-temperature variable led filament lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4170227A1 EP4170227A1 (en) | 2023-04-26 |
EP4170227A4 true EP4170227A4 (en) | 2023-11-29 |
Family
ID=73151135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20944974.3A Pending EP4170227A4 (en) | 2020-07-13 | 2020-11-25 | Color-temperature variable led filament lamp |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230103093A1 (en) |
EP (1) | EP4170227A4 (en) |
CN (1) | CN111878772A (en) |
WO (1) | WO2022011927A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111878772A (en) * | 2020-07-13 | 2020-11-03 | 佛山电器照明股份有限公司 | LED filament lamp with variable color temperature |
CN113915541A (en) * | 2021-09-24 | 2022-01-11 | 深圳市兰谱芯科技有限公司 | Bulb and lamp string composed of same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204345574U (en) * | 2015-01-14 | 2015-05-20 | 苏州戈德威机电科技有限公司 | The multiplex LED daylight lamp of a kind of double-colored temperature |
CN204518161U (en) * | 2015-04-09 | 2015-07-29 | 浙江风尚建材股份有限公司 | A kind of LED changing colour temperature |
CN204853322U (en) * | 2015-08-28 | 2015-12-09 | 潍坊博瑞光电科技有限公司 | Double -colored LED fluorescent tube of twin -wire control |
CN207880493U (en) * | 2017-12-25 | 2018-09-18 | 佛山市益源灯饰照明有限公司 | A kind of LED bulb |
CN207962134U (en) * | 2018-02-09 | 2018-10-12 | 江苏如高第三代半导体产业研究院有限公司 | A kind of CSP encapsulation variable color-temperature LED filament lamps of band protection |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8450950B2 (en) * | 2010-01-19 | 2013-05-28 | National Christmas Products, Inc. | Apparatus and method for controlling LED light strings |
US8847475B2 (en) * | 2010-05-07 | 2014-09-30 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Lamp for replacing a fluorescent tube |
US8749167B2 (en) * | 2012-06-15 | 2014-06-10 | Lightel Technologies, Inc. | Linear solid-state lighting with voltage sensing mechanism free of fire and shock hazards |
US9841174B2 (en) * | 2015-04-29 | 2017-12-12 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
US10260683B2 (en) * | 2017-05-10 | 2019-04-16 | Cree, Inc. | Solid-state lamp with LED filaments having different CCT's |
KR20190007830A (en) * | 2017-07-14 | 2019-01-23 | 삼성전자주식회사 | Filament type led light source and led lamp |
CN208331803U (en) * | 2018-06-15 | 2019-01-04 | 漳州立达信光电子科技有限公司 | A kind of light source assembly and LED light |
CN109253406A (en) * | 2018-11-06 | 2019-01-22 | 杭州明煜光电科技有限公司 | The production technology of LED filament, lamps and lanterns and LED filament |
US10907772B2 (en) * | 2019-05-28 | 2021-02-02 | Graphene Lighting China Limited | LED lamp and LED emitter of the same |
CN111878772A (en) * | 2020-07-13 | 2020-11-03 | 佛山电器照明股份有限公司 | LED filament lamp with variable color temperature |
-
2020
- 2020-07-13 CN CN202010669403.0A patent/CN111878772A/en active Pending
- 2020-11-25 WO PCT/CN2020/131591 patent/WO2022011927A1/en unknown
- 2020-11-25 US US17/793,645 patent/US20230103093A1/en active Pending
- 2020-11-25 EP EP20944974.3A patent/EP4170227A4/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204345574U (en) * | 2015-01-14 | 2015-05-20 | 苏州戈德威机电科技有限公司 | The multiplex LED daylight lamp of a kind of double-colored temperature |
CN204518161U (en) * | 2015-04-09 | 2015-07-29 | 浙江风尚建材股份有限公司 | A kind of LED changing colour temperature |
CN204853322U (en) * | 2015-08-28 | 2015-12-09 | 潍坊博瑞光电科技有限公司 | Double -colored LED fluorescent tube of twin -wire control |
CN207880493U (en) * | 2017-12-25 | 2018-09-18 | 佛山市益源灯饰照明有限公司 | A kind of LED bulb |
CN207962134U (en) * | 2018-02-09 | 2018-10-12 | 江苏如高第三代半导体产业研究院有限公司 | A kind of CSP encapsulation variable color-temperature LED filament lamps of band protection |
Non-Patent Citations (1)
Title |
---|
See also references of WO2022011927A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2022011927A1 (en) | 2022-01-20 |
US20230103093A1 (en) | 2023-03-30 |
EP4170227A1 (en) | 2023-04-26 |
CN111878772A (en) | 2020-11-03 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20231031 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F21Y 115/10 20160101ALN20231025BHEP Ipc: F21Y 113/13 20160101ALN20231025BHEP Ipc: F21S 10/02 20060101ALI20231025BHEP Ipc: H05B 45/42 20200101ALI20231025BHEP Ipc: F21V 23/04 20060101ALI20231025BHEP Ipc: F21K 9/232 20160101ALI20231025BHEP Ipc: F21K 9/238 20160101AFI20231025BHEP |